:root {
  --bg-0: #08111b;
  --bg-1: #0d1c2e;
  --bg-2: #14283f;
  --panel: rgba(14, 28, 44, 0.9);
  --panel-strong: rgba(12, 23, 36, 0.96);
  --line: rgba(159, 187, 219, 0.2);
  --text: #e8f0fb;
  --muted: #a3b6cd;
  --accent: #39d98a;
  --accent-2: #51b9ff;
  --warning: #ffb84f;
  --danger: #ff6d6d;
  --ok: #6ce5a2;
  --shadow: 0 20px 44px rgba(3, 8, 14, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 90% -10%, rgba(81, 185, 255, 0.16), transparent 56%),
    radial-gradient(900px 640px at -10% 18%, rgba(57, 217, 138, 0.15), transparent 55%),
    linear-gradient(160deg, var(--bg-0) 0%, var(--bg-1) 46%, #182e48 100%);
}

.control-app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
}

.control-sidebar {
  border-right: 1px solid var(--line);
  padding: 1.2rem;
  background: linear-gradient(180deg, rgba(8, 17, 27, 0.96) 0%, rgba(10, 21, 33, 0.92) 100%);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand-block {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.8rem;
  align-items: center;
}

.brand-block img {
  width: 4.1rem;
  height: 4.1rem;
  border-radius: 0.95rem;
  border: 1px solid var(--line);
  padding: 0.28rem;
  background: rgba(12, 23, 36, 0.9);
}

.eyebrow {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--accent-2);
}

.brand-block h1 {
  margin: 0.18rem 0 0.22rem;
  font-size: 1.24rem;
  line-height: 1.1;
}

.subtle {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.35;
}

.control-nav {
  display: grid;
  gap: 0.25rem;
}

.control-nav a {
  display: block;
  padding: 0.58rem 0.7rem;
  border-radius: 0.6rem;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
  font-weight: 500;
}

.control-nav a:hover,
.control-nav a:focus-visible {
  outline: none;
  border-color: var(--line);
  background: rgba(81, 185, 255, 0.09);
}

.session-block {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.7rem;
  background: rgba(15, 28, 42, 0.7);
  display: grid;
  gap: 0.3rem;
}

.session-block strong {
  font-size: 0.95rem;
}

.session-block small {
  color: var(--muted);
  font-size: 0.76rem;
}

.sidebar-foot {
  display: flex;
  align-items: flex-end;
}

.text-link {
  color: var(--accent-2);
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.toggle-row input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--warning);
}

.list-compact {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.5;
}

.list-compact li + li {
  margin-top: 0.35rem;
}

.control-main {
  padding: 1.15rem;
  display: grid;
  gap: 0.9rem;
}

.control-topbar {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(10, 21, 34, 0.75);
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
}

.control-topbar h2 {
  margin: 0.18rem 0 0;
  font-size: 1.34rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(108, 229, 162, 0.34);
  background: rgba(108, 229, 162, 0.12);
  color: #baf4d5;
  padding: 0.26rem 0.56rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.banner {
  display: none;
  border-radius: 0.75rem;
  padding: 0.62rem 0.75rem;
  font-weight: 600;
  border: 1px solid var(--line);
}

.banner.is-visible {
  display: block;
}

.banner.is-info {
  background: rgba(81, 185, 255, 0.13);
  color: #cde8ff;
}

.banner.is-ok {
  background: rgba(57, 217, 138, 0.12);
  color: #cbf8e2;
}

.banner.is-error {
  background: rgba(255, 109, 109, 0.14);
  color: #ffd7d7;
}

.auth-shell,
.locked-shell {
  display: grid;
  place-items: center;
  min-height: 56vh;
}

.auth-card,
.locked-card {
  width: min(26rem, 100%);
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.auth-card h3,
.locked-card h3 {
  margin: 0 0 0.35rem;
}

.auth-card p,
.locked-card p {
  margin: 0 0 0.8rem;
  color: var(--muted);
}

.stack-form {
  display: grid;
  gap: 0.42rem;
}

input,
select,
textarea {
  width: 100%;
  background: rgba(13, 26, 40, 0.82);
  border: 1px solid rgba(153, 185, 221, 0.24);
  border-radius: 0.68rem;
  color: var(--text);
  padding: 0.56rem 0.62rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 0.18rem rgba(81, 185, 255, 0.18);
}

label {
  color: var(--muted);
  font-size: 0.79rem;
}

.btn {
  border: 1px solid var(--line);
  background: rgba(20, 40, 62, 0.85);
  color: var(--text);
  border-radius: 0.66rem;
  padding: 0.5rem 0.72rem;
  cursor: pointer;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
}

.btn.primary {
  background: linear-gradient(135deg, #3bd58a 0%, #2ab7ff 100%);
  color: #062033;
  border-color: transparent;
}

.btn.ghost {
  background: transparent;
}

.btn:hover,
.btn:focus-visible {
  outline: none;
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.dashboard-shell {
  display: grid;
  gap: 0.85rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.6rem;
}

.kpi-card {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--panel);
  padding: 0.72rem;
  box-shadow: var(--shadow);
}

.kpi-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.kpi-card strong {
  display: block;
  margin-top: 0.25rem;
  font-size: 1.3rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 0.92rem;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 0.82rem;
  display: grid;
  gap: 0.6rem;
}

.panel h3 {
  margin: 0;
  font-size: 1.02rem;
}

.panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.inline-controls {
  display: flex;
  align-items: center;
  gap: 0.38rem;
}

.inline-controls.wrap {
  flex-wrap: wrap;
}

.inline-controls input,
.inline-controls select {
  width: auto;
  min-width: 9rem;
}

.dual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.alert-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.account-intel-shell {
  gap: 0.5rem;
}

.account-intel-shell .alert-metrics {
  margin-top: 0.15rem;
}

#account-password-output {
  border-style: dashed;
}

.account-editor-shell {
  gap: 0.6rem;
}

.account-editor-shell .stack-form {
  gap: 0.55rem;
}

.account-editor-shell .row-actions {
  gap: 0.35rem;
}

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.toggle-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  border-radius: 0.66rem;
  background: rgba(16, 31, 46, 0.82);
  padding: 0.45rem 0.52rem;
  color: #c7d8ec;
  font-size: 0.8rem;
}

.toggle-item input {
  width: auto;
}

.account-relations-grid {
  margin-top: 0.2rem;
}

.account-relation-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  border: 1px solid rgba(159, 187, 219, 0.16);
  border-radius: 0.58rem;
  padding: 0.45rem 0.5rem;
  background: rgba(18, 35, 53, 0.76);
}

.account-relation-item small {
  display: block;
  margin-top: 0.1rem;
}

.account-relation-item .btn {
  padding: 0.28rem 0.46rem;
  font-size: 0.7rem;
}

.theme-card-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.45rem;
}

.theme-card {
  border: 1px solid var(--line);
  border-radius: 0.74rem;
  background: rgba(15, 30, 47, 0.85);
  padding: 0.6rem;
  display: grid;
  gap: 0.34rem;
  min-height: 10.4rem;
}

.theme-card .theme-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.theme-card h4 {
  margin: 0;
  font-size: 0.92rem;
}

.theme-card p {
  margin: 0;
  color: #c7d8ec;
  font-size: 0.76rem;
  line-height: 1.35;
}

.theme-card .theme-chip {
  justify-self: start;
  border: 1px solid rgba(159, 187, 219, 0.26);
  border-radius: 999px;
  background: rgba(23, 44, 66, 0.82);
  color: #d5e5f8;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  padding: 0.15rem 0.42rem;
}

.theme-card.is-active {
  border-color: rgba(108, 229, 162, 0.6);
  box-shadow: 0 0 0 1px rgba(108, 229, 162, 0.24) inset;
}

.theme-card .row-actions {
  margin-top: auto;
}

.theme-card .btn {
  width: 100%;
  font-size: 0.72rem;
}

.media-upload-shell {
  gap: 0.55rem;
}

.media-upload-note {
  border: 1px dashed rgba(159, 187, 219, 0.22);
  border-radius: 0.72rem;
  padding: 0.55rem 0.62rem;
  background: rgba(12, 23, 36, 0.55);
}

.media-upload-note code,
.media-card code {
  border-radius: 0.45rem;
  padding: 0.14rem 0.34rem;
  background: rgba(7, 15, 24, 0.92);
  color: #d7ebff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.55rem;
}

.media-card {
  border: 1px solid var(--line);
  border-radius: 0.78rem;
  background: rgba(13, 26, 40, 0.86);
  padding: 0.62rem;
  display: grid;
  gap: 0.52rem;
}

.media-card-preview {
  min-height: 10.5rem;
  border-radius: 0.72rem;
  border: 1px solid rgba(159, 187, 219, 0.18);
  background:
    linear-gradient(145deg, rgba(24, 46, 70, 0.92), rgba(12, 23, 37, 0.98)),
    radial-gradient(circle at top right, rgba(81, 185, 255, 0.18), transparent 45%);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.media-card-preview img,
.media-card-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-card-preview audio {
  width: calc(100% - 1rem);
}

.media-card-icon {
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  text-align: center;
  color: #d7e9fb;
  padding: 1rem;
}

.media-card-icon strong {
  font-size: 2rem;
  line-height: 1;
}

.media-card h4 {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.media-card .meta {
  display: grid;
  gap: 0.18rem;
}

.media-card .meta small {
  color: var(--muted);
}

.media-card .row-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.media-card .row-actions .btn {
  flex: 1 1 0;
  min-width: 0;
}

.triple-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.about-team-shell .mini-list {
  max-height: 22rem;
  overflow: auto;
}

.about-team-member-item,
.structured-list-item {
  display: flex;
  justify-content: space-between;
  gap: 0.45rem;
  align-items: center;
  border: 1px solid rgba(159, 187, 219, 0.18);
  border-radius: 0.66rem;
  padding: 0.48rem 0.54rem;
  background: rgba(18, 35, 53, 0.72);
}

.about-team-member-item.is-selected,
.structured-list-item.is-selected {
  border-color: rgba(81, 185, 255, 0.44);
  box-shadow: 0 0 0 1px rgba(81, 185, 255, 0.2) inset;
}

.about-team-member-item strong,
.about-team-member-item small,
.structured-list-item strong,
.structured-list-item small {
  display: block;
}

.about-team-member-item .btn,
.structured-list-item .btn {
  padding: 0.28rem 0.46rem;
  font-size: 0.72rem;
}

.home-list-shell .mini-list {
  max-height: 19rem;
  overflow: auto;
}

.home-school-schedule-grid textarea {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.26rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(22, 42, 63, 0.88);
  color: #c7d8ec;
  padding: 0.18rem 0.5rem;
  font-size: 0.74rem;
  font-family: "IBM Plex Mono", monospace;
}

.chip strong {
  color: var(--text);
}

.alerts-list,
.mini-list {
  display: grid;
  gap: 0.43rem;
}

.alert-item,
.mini-item,
.traffic-item {
  border: 1px solid var(--line);
  border-radius: 0.66rem;
  padding: 0.55rem 0.62rem;
  background: rgba(14, 28, 42, 0.82);
}

.alert-item .head,
.mini-item .head,
.traffic-item .head {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.alert-item p,
.mini-item p,
.traffic-item p {
  margin: 0.3rem 0 0;
}

.alert-item small,
.mini-item small,
.traffic-item small {
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.16rem 0.42rem;
  border: 1px solid var(--line);
  font-size: 0.67rem;
  font-weight: 700;
  text-transform: uppercase;
}

.tag.info {
  background: rgba(81, 185, 255, 0.16);
  color: #d0ebff;
}

.tag.warning {
  background: rgba(255, 184, 79, 0.16);
  color: #ffdca8;
}

.tag.high,
.tag.critical,
.tag.denied,
.tag.error {
  background: rgba(255, 109, 109, 0.15);
  color: #ffd1d1;
}

.tag.success,
.tag.active {
  background: rgba(108, 229, 162, 0.14);
  color: #c6f6df;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

thead th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding: 0.46rem 0.42rem;
}

tbody td {
  border-bottom: 1px solid rgba(159, 187, 219, 0.12);
  padding: 0.46rem 0.42rem;
  font-size: 0.8rem;
  vertical-align: top;
}

.row-actions {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.row-actions .btn {
  padding: 0.32rem 0.5rem;
  font-size: 0.72rem;
}

.row-actions .danger {
  border-color: rgba(255, 109, 109, 0.35);
  background: rgba(255, 109, 109, 0.12);
  color: #ffd2d2;
}

.row-actions .ok {
  border-color: rgba(108, 229, 162, 0.36);
  background: rgba(108, 229, 162, 0.12);
  color: #c9f9e1;
}

.pager {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.pager span {
  font-size: 0.78rem;
  color: var(--muted);
}

.builder-panel h4 {
  margin: 0;
  font-size: 0.88rem;
}

.builder-visual-head {
  border: 1px solid var(--line);
  border-radius: 0.78rem;
  background: rgba(12, 24, 37, 0.7);
  padding: 0.56rem;
}

.builder-live-wrap {
  border: 1px solid var(--line);
  border-radius: 0.82rem;
  overflow: auto;
  background: rgba(10, 20, 31, 0.9);
  min-height: 76vh;
  display: grid;
  place-items: center;
  padding: 0.5rem;
}

#builder-live-frame {
  width: 100%;
  min-height: calc(76vh - 1rem);
  border: 1px solid rgba(159, 187, 219, 0.25);
  border-radius: 0.6rem;
  background: #fff;
}

.builder-live-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.builder-live-actions .btn {
  font-size: 0.76rem;
  padding: 0.34rem 0.56rem;
}

.builder-live-selected {
  border: 1px solid var(--line);
  border-radius: 0.64rem;
  background: rgba(14, 28, 42, 0.82);
  padding: 0.5rem 0.58rem;
}

.builder-live-selected p {
  margin: 0;
  font-size: 0.78rem;
  color: #c7d8ec;
}

#builder-live-device {
  min-width: 8rem;
  width: auto;
}

.builder-panel.is-fullscreen {
  position: fixed;
  inset: 0.4rem;
  z-index: 1200;
  margin: 0;
  border-width: 2px;
  background: rgba(8, 16, 25, 0.98);
}

.builder-panel.is-fullscreen .builder-live-wrap {
  min-height: calc(100vh - 14rem);
}

.builder-panel.is-fullscreen #builder-live-frame {
  min-height: calc(100vh - 15rem);
}

body.builder-fullscreen-lock {
  overflow: hidden;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(340px, 1.3fr) minmax(320px, 1.1fr);
  gap: 0.6rem;
}

.builder-column {
  border: 1px solid var(--line);
  border-radius: 0.76rem;
  background: rgba(12, 24, 37, 0.7);
  padding: 0.58rem;
  display: grid;
  align-content: start;
  gap: 0.45rem;
}

.builder-editor-column {
  gap: 0.52rem;
}

.builder-subhead {
  align-items: center;
}

.builder-sections,
.builder-history {
  display: grid;
  gap: 0.33rem;
  max-height: 15rem;
  overflow: auto;
  padding-right: 0.18rem;
}

.builder-section-btn,
.builder-history-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 0.62rem;
  background: rgba(16, 31, 46, 0.82);
  color: var(--text);
  padding: 0.5rem;
  font-family: "Space Grotesk", sans-serif;
}

.builder-section-btn {
  cursor: pointer;
}

.builder-section-btn:hover,
.builder-section-btn:focus-visible {
  outline: none;
  border-color: rgba(81, 185, 255, 0.58);
  background: rgba(81, 185, 255, 0.14);
}

.builder-section-btn.is-active {
  border-color: rgba(57, 217, 138, 0.58);
  background: rgba(57, 217, 138, 0.14);
}

.builder-section-btn small,
.builder-history-item small {
  display: block;
  margin-top: 0.22rem;
  color: var(--muted);
  font-size: 0.72rem;
}

#builder-page-editor,
#builder-section-editor {
  min-height: 12rem;
  resize: vertical;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.42;
}

#builder-page-editor {
  min-height: 20rem;
}

#builder-preview {
  width: 100%;
  min-height: 22rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: #fff;
}

.builder-history-item {
  display: grid;
  gap: 0.28rem;
}

.builder-history-item .row-actions {
  margin-top: 0.22rem;
}

@media (max-width: 1280px) {
  .kpi-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .triple-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .theme-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .builder-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1060px) {
  .control-app {
    grid-template-columns: 1fr;
  }

  .control-sidebar {
    position: static;
    height: auto;
    grid-template-rows: auto;
  }

  .dual-grid {
    grid-template-columns: 1fr;
  }

  .triple-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .control-main,
  .control-sidebar {
    padding: 0.85rem;
  }

  .control-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inline-controls {
    width: 100%;
  }

  .inline-controls input,
  .inline-controls select,
  .inline-controls .btn {
    width: 100%;
  }

  .toggle-grid {
    grid-template-columns: 1fr;
  }

  .theme-card-grid {
    grid-template-columns: 1fr;
  }
}